Do NOT use 7.0. It's over 3 years old and is unsupported and unpatched and has numerous bugs and security vulnerabilities. Only the current version is supported - 7.4.1708 at the moment. Run yum update and get up to date and you will automatically get the latest version of pcsd.

CentOS 5 died in March 2017 - migrate NOW!
Full time Geek, part time moderator. Use the FAQ Luke